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The set of all numbers a such that a^(2)...

The set of all numbers a such that `a^(2) + 2a, 2a + 3 " and " a^(2) + 3a + 8 ` are the sides of a triangle is ………..

A

both A and R are true and R is the correct explanation of A

B

both A and R are true and R is not the correct explanation of A

C

A is true but R is false

D

A is false but R is true

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A
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AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE SHEET (EXERCISE-II) (LEVEL-II) (Straight Objective Type Questions)
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  13. IF Delta ABC, if cot""A/2=(b+c)/a, then the triangle is

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  14. In DeltaABC, if (a+b+c)(b+c-a)=3bc, then A=

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  16. In DeltaABC, a^(2)+b^(2)+c^(2)=ac+ab sqrt(3). Then the triangle is

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  17. Which of the following statements is true I In a DeltaABC if 4s(s-a...

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  18. Assertion (A) : In Delta ABC a,b, c denotes lengths of the sides an...

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